Re: issues with suspend on Dell XPS 13 2-in-1

From: Pandruvada, Srinivas
Date: Thu Apr 19 2018 - 15:45:53 EST


On Thu, 2018-04-19 at 17:30 +0000, Mario.Limonciello@xxxxxxxx wrote:

[...]

> >
Those should impact opportunistic idle since for S2I regular
> > suspend
> > callbacks are called. In my 9365, I can get PC10 during S2I path
> > without adjusting them. Only problematic is systems with SATA,
> > where we
> > need to enable devsleep.
>
> Hmm, Dennis did mention that he had an NVME disk, so it can't be a
> devsleep
> problem.
>
> Perhaps can you also share your kernel config used with 9365 so
> Dennis
> can compare?
I am using ubuntu kernel config as is. Nothing special.
We need to look at the turbostat data and see what PkgC states the
system can reach. May be the issues is with loading DMC firmware or
some LTR issues.

Thanks,
Srinivas

>
> I believe we'll need to see some more information from Dennis you
> asked
> in previous email before we can make more progress here though.
>
> > >
> > > > I suggest run
> > > > #turbostat
> > > > then suspend and wake
> > > > when wake up let the turbostat collect data for next sampling
> > > > interval.
> > > > We have to see what are PkgC% residencies are?
> > >
> > > Assuming you mean for Dan to run this after he adjusts all the PM
> > > settings
> > > for those options power top called out, right?
> >
> > It is better.
> > May be some device is not behaving correctly. So he can try with
> > powertop --auto-tune and check turbostat and see status of PkgC
> > states.
> >
> > Thanks,
> > Srinivas
> >
> > >
> > > >
> > > > Thanks,
> > > > Srinivas
> > > >
> > > > >
> > > > >
> > > > > > ÂÂÂGoodÂÂÂÂÂÂÂÂÂÂBluetooth device interface status
> > > > > > ÂÂÂGoodÂÂÂÂÂÂÂÂÂÂEnable Audio codec power management
> > > > > > ÂÂÂGoodÂÂÂÂÂÂÂÂÂÂRuntime PM for I2C Adapter i2c-8 (Synopsys
> > > > > > DesignWare
> > > > > > I2C adapter)
> > > > > > ÂÂÂGoodÂÂÂÂÂÂÂÂÂÂAutosuspend for USB device
> > > > > > Integrated_Webcam_HD
> > > > > > [CNFGE16N092020028362]
> > > > > > ÂÂÂGoodÂÂÂÂÂÂÂÂÂÂAutosuspend for USB device xHCI Host
> > > > > > Controller
> > > > > > [usb1]
> > > > > > ÂÂÂGoodÂÂÂÂÂÂÂÂÂÂAutosuspend for USB device xHCI Host
> > > > > > Controller
> > > > > > [usb2]
> > > > > > ÂÂÂGoodÂÂÂÂÂÂÂÂÂÂRuntime PM for I2C Adapter i2c-7 (SMBus
> > > > > > I801
> > > > > > adapter
> > > > > > at efa0)
> > > > > > ÂÂÂGoodÂÂÂÂÂÂÂÂÂÂAutosuspend for unknown USB device 1-2
> > > > > > (8087:0a2b)
> > > > > > ÂÂÂGoodÂÂÂÂÂÂÂÂÂÂRuntime PM for I2C Adapter i2c-6 (Synopsys
> > > > > > DesignWare
> > > > > > I2C adapter)
> > > > > > ÂÂÂGoodÂÂÂÂÂÂÂÂÂÂI2C Device i2c-DLL077A:01 has no runtime
> > > > > > power
> > > > > > management
> > > > > > ÂÂÂGoodÂÂÂÂÂÂÂÂÂÂI2C Device i2c-WCOM482F:00 has no runtime
> > > > > > power
> > > > > > management
> > > > > > ÂÂÂGoodÂÂÂÂÂÂÂÂÂÂRuntime PM for PCI Device Intel
> > > > > > Corporation
> > > > > > Sunrise
> > > > > > Point-LP PCI Express Root Port #10
> > > > > > ÂÂÂGoodÂÂÂÂÂÂÂÂÂÂRuntime PM for PCI Device Intel
> > > > > > Corporation
> > > > > > Sunrise
> > > > > > Point-LP CSME HECI #1
> > > > > > ÂÂÂGoodÂÂÂÂÂÂÂÂÂÂRuntime PM for PCI Device Intel
> > > > > > Corporation
> > > > > > Sunrise
> > > > > > Point-LP Serial IO I2C Controller #1
> > > > > > ÂÂÂGoodÂÂÂÂÂÂÂÂÂÂRuntime PM for PCI Device Intel
> > > > > > Corporation
> > > > > > Sunrise
> > > > > > Point-LP SMBus
> > > > > > ÂÂÂGoodÂÂÂÂÂÂÂÂÂÂRuntime PM for PCI Device Intel
> > > > > > Corporation
> > > > > > Sunrise
> > > > > > Point-LP PCI Express Root Port #5
> > > > > > ÂÂÂGoodÂÂÂÂÂÂÂÂÂÂRuntime PM for PCI Device Intel
> > > > > > Corporation
> > > > > > Sunrise
> > > > > > Point-LP Serial IO I2C Controller #0
> > > > > > ÂÂÂGoodÂÂÂÂÂÂÂÂÂÂWake-on-lan status for device virbr0-nic
> > > > > > ÂÂÂGoodÂÂÂÂÂÂÂÂÂÂWake-on-lan status for device virbr0
> > > > > > ÂÂÂGoodÂÂÂÂÂÂÂÂÂÂWake-on-lan status for device wlp60s0
> > > > > >
> > > > > > Regards
> > > > > >
> > > > > > Dennis

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